JP6592592B2 - 塞栓摘出装置 - Google Patents
塞栓摘出装置 Download PDFInfo
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- JP6592592B2 JP6592592B2 JP2018513369A JP2018513369A JP6592592B2 JP 6592592 B2 JP6592592 B2 JP 6592592B2 JP 2018513369 A JP2018513369 A JP 2018513369A JP 2018513369 A JP2018513369 A JP 2018513369A JP 6592592 B2 JP6592592 B2 JP 6592592B2
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- embolectomy device
- support member
- thrombus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2/011—Instruments for their placement or removal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
Description
Claims (10)
- 塞栓摘出装置(112、512)であって、
複数の斜めに配置されたセル構造(126、526)を含むオープンセル構造を形成する複数の相互接続されたストラット(124、524)を具え、近位端部(114、514)、本体部(116、516)および遠位端部(118、518)を有する血栓係合構造体であって、近位端(120、520)を終端とする前記近位端部を有する血栓係合構造体と、
対象血管(70)内の送達カテーテル(80)の遠位開口部(84)から外に前記血栓係合構造体を前進させるとともに、対象血管(70)内の送達カテーテル(80)の遠位開口部(84)内に前記血栓係合構造体を引き戻すように構成された取付構造体(200、300)であって、前記血栓係合構造体の1またはそれ以上のストラット(124、524)に取り付けられた細長支持部材(240、340)を有する取付構造体(200、300)と、を具えており、
前記細長支持部材(240、340)が、前記血栓係合構造体の近位端(120、520)よりも遠位側の前記近位端部(114、514)と前記本体部(116、516)の間にある1またはそれ以上の各ストラット(124、524)のそれぞれの位置においてのみ、前記血栓係合構造体の1またはそれ以上のストラット(124、524)に取り付けられ、それにより、引き戻し時に、前記血栓係合構造体の近位端部(114、514)よりも遠位側の位置(116、118)に引き抜き力が加えられるようになっていることを特徴とする塞栓摘出装置。 - 請求項1に記載の塞栓摘出装置(112、512)において、前記細長支持部材(240、340)が取り付けられた前記ストラット(124、524)が、複数のストラット(124、524)を具えることを特徴とする塞栓摘出装置。
- 請求項1に記載の塞栓摘出装置(112、512)において、前記細長支持部材(240、340)が、可撓性ワイヤを具えることを特徴とする塞栓摘出装置。
- 請求項1に記載の塞栓摘出装置(112、512)において、前記血栓係合構造体の1またはそれ以上のストラット(124、524)が、前記細長支持部材(240、340)に直接取り付けられることを特徴とする塞栓摘出装置。
- 請求項1に記載の塞栓摘出装置(112、512)において、前記取付構造体がさらに、前記細長支持部材(240、340)に連結された遠位端カプラ(245、345)を具えており、前記血栓係合構造体の1またはそれ以上のストラット(124、524)が、前記遠位端カプラ(245、345)に取り付けられ、それにより、前記細長支持部材に間接的に取り付けられることを特徴とする塞栓摘出装置。
- 請求項1に記載の塞栓摘出装置(112、512)において、前記血栓係合構造体が軸方向の長さを有し、前記細長支持部材(240、340)に対するストラット(124、514)の最も近位側の取付位置が、前記血栓係合構造体の軸方向長さの少なくとも約20%、遠位側にあることを特徴とする塞栓摘出装置。
- 請求項1に記載の塞栓摘出装置(512)において、前記血栓係合構造体の近位端を画定する複数のストラット(542)が、前記細長支持部材(340)が通って延在するルーメン(541)を有する近位端コネクタリング(540)に接続されることを特徴とする塞栓摘出装置。
- 請求項7に記載の塞栓摘出装置(112、512)において、前記近位端コネクタリング(540)が、放射線不透過性マーカを具えるか、または放射線不透過性マーカに連結されていることを特徴とする塞栓摘出装置。
- 請求項7に記載の塞栓摘出装置(112、512)において、前記細長支持部材(340)は、前記近位端コネクタリング(540)に対して相対的に移動可能であり、前記取付構造体(300)が、前記近位端コネクタリング(540)の遠位側で前記細長支持部材(340)に固定して取り付けられたバンパ(347)をさらに具えており、前記バンパ(347)が、前記近位端コネクタリング(540)と前記バンパ(347)が係合する相対的な位置を越えて前記血栓係合構造体に対して近位方向に前記細長支持部材(340)が移動するのを防止することを特徴とする塞栓摘出装置。
- 請求項1に記載の塞栓摘出装置(112、512)において、前記細長支持部材(240、340)からの引き抜き力が、前記セル構造(126、526)を潰すことはなく、かつ/または前記血栓係合構造体の輪郭を減少させないことを特徴とする塞栓摘出装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562221533P | 2015-09-21 | 2015-09-21 | |
US62/221,533 | 2015-09-21 | ||
PCT/US2016/052651 WO2017053287A1 (en) | 2015-09-21 | 2016-09-20 | Embolectomy devices |
Publications (2)
Publication Number | Publication Date |
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JP2018527100A JP2018527100A (ja) | 2018-09-20 |
JP6592592B2 true JP6592592B2 (ja) | 2019-10-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018513369A Active JP6592592B2 (ja) | 2015-09-21 | 2016-09-20 | 塞栓摘出装置 |
Country Status (6)
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US (1) | US10441404B2 (ja) |
EP (1) | EP3352689B1 (ja) |
JP (1) | JP6592592B2 (ja) |
CN (1) | CN108024821B (ja) |
ES (1) | ES2716926T3 (ja) |
WO (1) | WO2017053287A1 (ja) |
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